With the continuous improvement of living standards, obesity has become one of the most important health challenges faced by developed and developing countries and is increasingly affecting more and more people. Obesity is also a considerable risk factor for the development of numerous other chronic diseases, including hypertension, insulin resistance, lipid metabolism disorders, atherosclerosis, and vascular endothelial dysfunction. Many researches are making on obesity and the obese level is very wide, including the status of different age groups, the risk factor of obesity, the etiology and mechanisms in obesity, etc. This paper makes an overview on the research progress of obesity and its prevention, in order to provide convenience for clarify mechanisms of obesity and its preventive measures.
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